import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:mobile_pos/Screens/DashBoard/dashboard.dart';
import 'package:mobile_pos/Screens/Home/home_screen.dart';
import 'package:mobile_pos/Screens/Report/reports.dart';
import 'package:mobile_pos/Screens/Settings/settings_screen.dart';
import 'package:mobile_pos/Screens/pos_sale/pos_sale.dart';
import 'package:mobile_pos/constant.dart';
import 'package:mobile_pos/generated/l10n.dart' as lang;
import 'package:mobile_pos/model/business_info_model.dart' as visible;

import '../../GlobalComponents/glonal_popup.dart';
import '../../Provider/profile_provider.dart';
import '../../service/check_actions_when_no_branch.dart';

class Home extends StatefulWidget {
  const Home({super.key, this.initialIndex = 0});

  final int initialIndex;

  @override
  _HomeState createState() => _HomeState();
}

class _HomeState extends State<Home> {
  late int _tabIndex = widget.initialIndex;
  late final PageController pageController = PageController(initialPage: _tabIndex);

  @override
  void dispose() {
    pageController.dispose();
    super.dispose();
  }

  void _handleNavigation(
    int index,
    BuildContext context,
  ) {
    setState(() => _tabIndex = index);
    pageController.jumpToPage(index);
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: () async =>
          await showDialog<bool>(
            context: context,
            builder: (context) => AlertDialog(
              title: Text(lang.S.of(context).areYouSure),
              content: Text(lang.S.of(context).doYouWantToExitTheApp),
              actions: [
                TextButton(onPressed: () => Navigator.pop(context, false), child: Text(lang.S.of(context).no)),
                TextButton(onPressed: () => Navigator.pop(context, true), child: Text(lang.S.of(context).yes)),
              ],
            ),
          ) ??
          false,
      child: Consumer(builder: (context, ref, __) {
        ref.watch(getExpireDateProvider(ref));

        return GlobalPopup(
          child: Scaffold(
            body: PageView(
              controller: pageController,
              physics: const NeverScrollableScrollPhysics(),
              onPageChanged: (v) => setState(() => _tabIndex = v),
              children: [
                HomeScreen(),
                PosSaleScreen(),
                DashboardScreen(),
                Reports(),
                SettingScreen(),
              ],
            ),
            bottomNavigationBar: BottomNavigationBar(
              currentIndex: _tabIndex,
              backgroundColor: Colors.white,
              // onTap: (i) => _handleNavigation(i, context, visibility),
              onTap: (i) => _handleNavigation(
                i,
                context,
              ),
              items: [
                _buildNavItem(index: 0, activeIcon: 'cHome', icon: 'home', label: lang.S.of(context).home),
                _buildNavItem(
                  index: 1,
                  activeIcon: 'cPos',
                  icon: 'pos',
                  label: lang.S.of(context).pos,
                ),
                _buildNavItem(
                  index: 2,
                  activeIcon: 'dashbord1',
                  icon: 'dashbord',
                  label: lang.S.of(context).dashboard,
                ),
                _buildNavItem(
                  index: 3,
                  activeIcon: 'cFile',
                  icon: 'file',
                  label: lang.S.of(context).reports,
                ),
                _buildNavItem(
                  index: 4,
                  activeIcon: 'cSetting',
                  icon: 'setting',
                  label: lang.S.of(context).setting,
                ),
              ],
              type: BottomNavigationBarType.fixed,
              selectedItemColor: kMainColor,
              unselectedItemColor: kGreyTextColor,
              selectedLabelStyle: const TextStyle(fontSize: 14),
              unselectedLabelStyle: const TextStyle(fontSize: 14),
            ),
          ),
        );
      }),
    );
  }

  BottomNavigationBarItem _buildNavItem(
      {required int index, required String activeIcon, required String icon, required String label}) {
    return BottomNavigationBarItem(
      icon: _tabIndex == index
          ? SvgPicture.asset('assets/$activeIcon.svg', height: 28, width: 28, fit: BoxFit.scaleDown)
          : SvgPicture.asset('assets/$icon.svg',
              colorFilter: const ColorFilter.mode(kGreyTextColor, BlendMode.srcIn), height: 24, width: 24),
      label: label,
    );
  }
}